(D)-instanton effects in magnetized brane worlds

Details (D)-instanton effects in magnetized brane worlds (D)-instanton effects in magnetized brane worlds

2008-04-04

arxiv.org/abs/0804.0755v1

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 1 figure. To appear in the proceedings of the RTN workshop "ForcesUniverse", Valencia, October 1-5 2007. Uses a provi

Scientific paper

We consider systems of magnetized D9 branes on orbifolds supporting N=1 gauge theories. In such realizations, the matter multiplets arise from "twisted" strings connecting different stacks of branes. The introduction of Euclidean 5-branes wrapped on the six-dimensional compact space leads to instanton effects. We examine the interplay between the annuli diagrams with an E5 boundary and the holomorphicity properties of the effective low-energy supergravity action which describes the system, including its instanton corrections. Mostly based on arXiv:0709.0245.

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